Backlog Prioritization - Can't Drag

John

We have a few users that can't drag and drop to prioritize the backlog. This includes our Product Owner. I tried making her a Server Admin, no change. Drag and drop does not activate for her, looking at the same view as myself. I also tried to have her create her own personal view and she can't drag/drop.
No errors appear, it just doesn't work. Fails for her in IE 10 and Chrome.

Nothing looks out of the ordinary in her profile and yes she is a licensed user.

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